Marie bought a laboratory equipment with P25 000 down payment plus 18 months monthly payment of P2 500 each. If interest was computed at 9% compounded monthly, how much was the cash value if the first installment payment was made at the end of 6 months?

Elysa bought a car priced at $8942 for 12% down and equal semi-annual payments for 4 years. If interest is 10% compounded quarterly, what is the size of the semi-annual payment?

The owner of a construction company purchased a cement mixer truck for $160,000 and made a down payment of $45,000. The remaining balance was financed for 10 years at an annual interest rate of 7.25% compounded monthly. Find the monthly payment (in dollars).